Si 3,390 kg de plomo ocupan un volumen de 0.3m3. Encuentra la densidad del plomo.

Answers

Answer 1

The density of lead is 11,300 kg/$m^3$, which means that lead is a dense material with a significant mass per unit volume.

To find the density of lead, we can use the formula:

Density = Mass / Volume

Given that the mass of lead is 3,390 kg and the volume is 0.3 $m^3$, we can substitute these values into the formula:

Density = 3,390 kg / 0.3$m^3$

To simplify the calculation, we divide the mass by the volume:

Density = 11,300 kg/$m^3$

Therefore, the density of lead is 11,300 kg/$m^3$.

Density is a physical property of a substance that describes how much mass is packed into a given volume. In this case, the density of lead tells us that for every cubic meter of lead, there are 11,300 kilograms of mass.

It is important to note that the density of lead is a characteristic property and remains constant regardless of the size or shape of the sample. It is a useful parameter in various scientific and industrial applications.

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If 3,390 kg of lead occupy a volume of 0.3 m^3, find the density of lead.

Related Questions

On Marlene's trip to Starved Rock, her average rate of speed for the entire five-hour trip was 62 miles per hour. For the first two hours of her trip, she kept her average speed at 50 miles per hour. Then she realized she was going to be late to meet her friend for dinner, so she started driving faster. What was her average speed for the last three hours of the trip?

Answers

Answer:

70 miles per hour

Step-by-step explanation:

Distance = speed * time

speed = distance / time

------------------------------

Total Distance

speed = 62

time = 5

62 * 5 = 310 miles

Distance travelled in first 2 hours

speed = 50

time = 2

50 * 2 = 100 miles

Remaining distance

310 - 100 = 210 miles

Speed to cover 210 miles in 3 hours

distance = 210

time = 3

210/3 = 70 miles per hour

A study at an amusement park found that, of 10,000 families at the park, 1430 had brought one child, 2120 had brought two children, 2560 had brought three children, 1610 had brought four children, 1060 had brought five children, 510 had brought six children, and 710 had not brought any children.

Answers

Answer:

what is the question? but I will answer it

I need help with this question: Label: Coefficients, variables, terms, and constant. −2x2 + 9x − 3

Answers

Answer:

coefficients: {-2, +9, -3}

variables: {x}

terms: {-2x^2, 9x, -3}

constant: {-3}

Step-by-step explanation:

It is difficult to "label" here, so we'll list each, separated by commas.

Coefficients

Coefficients are the multiplicative factor of an expression. Depending on the expression of interest, it may consist of numbers, variables, or expressions. Here, we consider the expression of interest to be powers of x, so the coefficients are as listed. The last one (-3) is sometimes called a "constant coefficient." It multiplies x^0.

coefficients: {-2, +9, -3}

Variables

A variable is usually a letter, symbol, or sequence of letters and symbols, that stands for something else--usually an unknown quantity. Its meaning and value will depend on the context. Generic variables are usually taken from the end of the alphabet: x, y, z. Their capitalization, font, or face may give special meaning. For example bold-face capital letters may be used to represent vectors or matrices.

variables: {x}

Terms

A term is a product of coefficients and variables. Terms in a polynomial are separated by addition or subtraction symbols.

terms: {-2x^2, 9x, -3}

Constant

"Constant" usually refers to a term containing no variables. It generally refers to a value that doesn't change.

constant: {-3}

Consider the sequence: 7, 13, 19, 25, 31,…

Which expression describes this sequence, using n
to represent the position of a term in the sequence, where n=1
for the first term?

Answers

The full expression is 6n+1. We can find the solution of the given sequence in the following manner.

First take the differences: 13–7 = 19–13 = 25–19 = 31–25 = 6. So, we know there is a 6n in the expression. Then subtract 6n from each term: 7–6 = 13–12 = 19–18 = 25–24 = 31–30 = 1.

Reduce the size, number, or amount of something else by taking (something) away from it is called subtraction. Subtraction is the activity or procedure of determining the difference between two amounts or numbers. The phrase "taking away one number from another" is also used to describe the act of subtracting one number from another. Minuend, subtrahend, and difference are the three numerical components that make up the subtraction operation. A minuend is the first number in a subtraction process since it is the number from which we subtract another integer in a subtraction phrase.

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A big cargo box measures 12 m by 6 m by 5 m. How many small boxes of 40 cm by 25 cm by 10 cm can be put into the cargo box?

Answers

Given : Big cargo box measures 12m x 6m x 5m

Volume of the Box : Length x Breadth x Height

Volume of the Big cargo box : (12 × 6 × 5) = 360 m³

We know that : 1m = 100cm

Volume of the Big cargo box : 360 (100cm)³

Volume of the Big cargo box : 360 × 100³ × cm³

Given : Small box measures 40cm x 25cm x 10cm

Volume of the Small box : (40 × 25 × 10) = 10000 cm³

Small boxes which can be put into Big cargo box :

$\bigstar \ \ \boxed{\dfrac{\textsf{Volume of the Big cargo box}}{\textsf{Volume of one small box}}}$

$\sf{\implies \dfrac{360 \times 100^{3}}{10000}}$

$\sf{\implies {36000}$

Answer : 36000 small boxes can be put into Big cargo box

20% of what numbner is 100

Answers

Answer:

The number is 500.

Step-by-step explanation:

Let n be the number

Convert percent to decimal

20% = 0.20

0.20n = 100

Divide both sides of the equation by 0.20

0.20n/0.20 = 100/0.20

n = 500

Write the percent as fraction or mixed number in simplest form 34%

Answers

Answer: 34/100

Step-by-step explanation:

it is 34% out of 100, so it is 34/100. Reduced is 17/50

A random sample of n measurements was selected from a population with unknown mean and standard deviation o = 20 for each of the situations in parts a through d. Calculate a 95% confidence interval for ju for each of these situations. a. n=70, X = 27 b. n = 150, x= 115 c. n= 80. x = 18 d. n = 80, x=5.33

Answers

The 95% confidence interval for this situation is (0.95, 9.71).

What is the Standard deviation?

The standard deviation of a random variable, sample, statistical population, data set, or probability distribution is the square root of its variance.

The formula for Confidence Interval for Population Mean When Population Standard deviation is known

$\bar{x} \pm Z_{a/2} * \frac{\sigma}{\sqrt{n} }$

α for 95% confidence level = (100-95)/100 =0.05

$Z_{\alpha/2}$ = 0.05/2=0.025

$Z_{\alpha/2}$ = Z0.025 = 1.96

σ = 20

95% Confidence Interval for Population Mean When Population Standard deviation is known